The Spearman rank correlation coefficient is calculated by first ranking the data values, and then ...

The Spearman rank correlation coefficient is calculated by first ranking the data values, and then calculating the Pearson correlation coefficient of the ranks.
Indicate whether the statement is true or false

Q. 2

From a sample of 400 items, 14 are found to be defective. The point estimate of the population proportion defective will be:
a. 0.035
b. 0.05
c. 14
d. 28.57

Q. 3

If both variables have a normal distribution, you should use the Spearman rank correlation coefficient to look for relationships, rather than the Pearson correlation coefficient.
Indicate whether the statement is true or false

Q. 4

A survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.90, a random sample of 100 doctors' results in 83 who indicate that they recommend aspirin. The value of the test statistic in this problem is approximately equal to:
a. -1.67
b. -2.33
c. -1.86
d. -0.14

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The Spearman rank correlation coefficient is calculated by first ranking the data values, and then ...

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